$foo = 3;
$bar = 4;
preg_match('/^[a-z0-9\-_\.]+\.[a-z0-9]{$foo, $bar}$/', $some_string)or even
preg_match('/^[a-z0-9\-_\.]+\.[a-z0-9]{' . $foo . ', ' . $bar . '}$/', $some_string)
but this would work
preg_match('/^[a-z0-9\-_\.]+\.[a-z0-9]{3,4}$/', $some_string)Thanks for any pointers..
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